benchmark inputs for sinh and cosh
[glibc.git] / nptl / pthread_mutexattr_setpshared.c
blobc9b06e9d52b35f7f391f70f8a680a0411a383121
1 /* Copyright (C) 2002-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <errno.h>
20 #include <pthreadP.h>
23 int
24 pthread_mutexattr_setpshared (attr, pshared)
25 pthread_mutexattr_t *attr;
26 int pshared;
28 struct pthread_mutexattr *iattr;
30 if (pshared != PTHREAD_PROCESS_PRIVATE
31 && __builtin_expect (pshared != PTHREAD_PROCESS_SHARED, 0))
32 return EINVAL;
34 iattr = (struct pthread_mutexattr *) attr;
36 if (pshared == PTHREAD_PROCESS_PRIVATE)
37 iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_PSHARED;
38 else
39 iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_PSHARED;
41 return 0;